Reed valve 8 carbon petals,V-Force, AM6 TZR / Aprilia RS - RX / X-limit / DT-R / XP6 / Rieju / Sherco / HM and Derbi Senda - GPR Euro 2 - 3 4. B y Top Performances

Racing Reed valve TPR /  V-Force3 Piaggio / Gilera - 8 petals by Top Performance

Tassinari VFORCE3 racing Reed valves for Honda CR80 -85 and Derbi Senda - GPR for PWK carburetors. Supplied with venturi, it is completely removable and its 4 large carbon petals are held without any screws.   Probably the most efficient valve box for Derbi...